L
p0443
Moderate
Lincoln · Sedans
Evaporative Emission Control System (EVAP) Purge Control Valve Circuit
Quick Answer
Error code P0443 on your Lincoln Sedans means: Evaporative Emission Control System (EVAP) Purge Control Valve Circuit. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
ContinentalLSMKSMKZTown CarZephyr
Likely Causes
  1. Purge control valve stuck open or closed
  2. Faulty purge control solenoid
  3. Vapor canister full or clogged
  4. Hose disconnection or leak
  5. ECM malfunction
How to Fix It
1
Inspect purge control hoses for damage
2
Test purge control solenoid valve
3
Check vapor canister condition
4
Clean or replace purge valve
5
Verify electrical connections to solenoid
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Purge control solenoid valve
Vapor canister
EVAP hoses
Fuel cap
Related Error Codes
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